Natura - nature
actualia - actual entities
Mundus Plinius - physical world
naturalia - natural bodies
"crystal-kingdom"
chemical substances
chemical compounds
Class capsaicinoids
01.1 hydrogen - H2
13.1.01 Class boranes [BxHy]
13.1.06.1 Class boronic acids [RB(OH)2]
13.1.06.2 Class borinic acids [R2BOH]
14.1 Class heteroarenes
14.1.01.1 Class hydrocarbons [CxHy] - compounds consisting of carbon and hydrogen only
14.1.01.2 Class helicenes
14.1.01.3.1 Class isoprenoids
14.1.01.3.2 Class retinoids
14.1.01.4 Class acetylides [X+-C≡CH, X+-C≡C-+X, X+-C≡CR]
14.1.07.01.1.1 Class pyrimidine bases
14.1.07.01.1.2 Class purine bases
14.1.07.01.1.3 Class nucleosides
14.1.07.01.1.4 Class nucleotides [HOP(=O)(OH)OCH2CH(O~)CH(OH)CH(Y)CH(base)~ (Y=H or OH)]
14.1.07.01.1.5 Class nucleic acids [[─P(=O)(OH)OCH2CH(O~)CH(O─)CH(Y)CH(base)~]n (Y=H or OH)]
14.1.07.01.2.1 Class corrinoids
14.1.07.01.2.2.1 Class tetrapyrroles
14.1.07.01.2.2.2 Class dipyrrins [pyrrole-CH=pyrrole]
14.1.07.01.2.2.3 Class hemes and heme derivatives
14.1.07.08 Class flavins [1≈NC(=O)NHC(=O)C(~2)=NC(≈3)CH=C(CH3)C(CH3)=CHC(≈3)NRC(~2)≈1]
14.1.08.00.1 carbon monoxide - CO
14.1.08.00.2 carbon dioxide - CO2
14.1.08.01.1.1.1 Class alcohols [ROH (R≠H)]
14.1.08.01.1.1.2 Class alkoxides [RO-M+]
14.1.08.01.1.2.1 Class phenols [ArOH]
14.1.08.01.1.2.2 Class phenoxides [ArO-M+]
14.1.08.01.1.3 Class enols [R2C=CROH]
14.1.08.01.1.4.1 Class cyclitols
14.1.08.01.1.5.1.1 Class ethers [ROR (R≠H)]
14.1.08.01.1.5.1.2 Class hemiacetals [R2C(OH)OR' (R'≠H)]
14.1.08.01.1.5.1.3 Class acetals [R2C(OR')2 (R'≠H)] - diethers of geminal diols
14.1.08.01.1.5.2 Class carbohydrates [Cn(H2O)n, etc.]
14.1.08.01.1.5.3 Class glycoconjugates
14.1.08.01.2.1.1 Class aldehydes [RC(=O)H]
14.1.08.01.2.1.2.1.1 Class ketones [R2C=O (R≠H)]
14.1.08.01.2.1.2.1.2 Class acyloins [RCH(OH)C(=O)R]
14.1.08.01.2.1.2.1.3 Class quinones
14.1.08.01.2.1.2.2 Class ketenes [R2C=C=O]
14.1.08.01.2.2.1 Class carboxylic acids - RC(=O)OH
14.1.08.01.2.2.2 Class acid anhydrides [acyl-O-acyl]
14.1.08.01.2.2.3 Class "ortho acids" [RC(OH)3] [hypothetical]
14.1.08.01.2.3.1 Class esters [acyl-XR, etc.; R'kE(=O)l(OH)m (l≠0; ≥1 (OH):=(XR)), etc.; X=O,S,Se,Te,etc.; R≠H]
14.1.08.01.2.3.2 Class acylals [R2C[OC(=O)R]2] - diesters of geminal diols
14.1.08.01.2.4 Class chalcones [ArCH=CHC(=O)Ar]
14.1.99 Class "lipids"
14.2.01 Class silanes [SinH2n+2]
14.2.07.1 Class silazanes [R3Si[NHSiR2]nNHSiR3]
14.2.07.2 Class cyclosilazanes [~[SiR2NH]n~]
14.2.07.3 Class silasesquiazanes [(SiR)2n(NH)3n]
14.2.08.1 Class siloxanes [R3Si[OSiR2]nOSiR3]
14.2.08.2 Class cyclosiloxanes [~[SiR2O]n~]
14.2.08.3 Class silasesquioxanes [(SiR)2nO3n]
14.2.16.1 Class silathianes [R3Si[SSiR2]nSSiR3]
14.2.16.2 Class silasesquithianes [(SiR)2nS3n]
15.1.00 nitrogen - N2
15.1.01 Class azanes [NnHn+2]
15.1.06 Class amidines [RnE(=NR)NR2]
15.1.06 Class amidrazones [RC(=NH)NHNH2, RC(NH2)=NNH2]
15.1.06 Class amines [RNH2, R2NH, R3N]
15.1.06 Class azines [R2C=NN=CR2]
15.1.06 Class azo compounds [RN=NR (R≠H)]
15.1.06 Class azo imides [RN=N(R)+-NR <-> RN-+N(R)=NR]
15.1.06 Class carbodiimides [RN=C=NR]
15.1.06 Class cyanides [X+[C≡N]‾, organyl-C≡N]
15.1.06 Class diazoamino compounds [RN=NNR2 (not all R=H)]
15.1.06 Class formazans [R2NN=CRN=NR]
15.1.06 Class hydrazidines [RC(NRNR2)=NNR2]
15.1.06 Class hydrazones [R2C=NNR2]
15.1.06 Class imines [RN=CR2]
15.1.06 Class isocyanides [RNC; RN+≡C‾]
15.1.06 Class triazanes [NR2NRNR2] - triazane and its hydrocarbyl derivatives
15.1.06 Class triazenes [NR2N=NR] - triazene and its hydrocarbyl derivatives
15.1.08 Class alkaloids
15.1.08 Class amic acids
15.1.08 Class amides [RkE(=O)l(OH)m (l≠0; ≥1 (OH):=(NR2))]
15.1.08 Class amino acids [H2NCHRCOOH]
15.1.08 Class azinic acids [R2N+(O-)OH]
15.1.08 Class azonic acids [RN+(O-)(OH)2]
15.1.08 Class azoxy compounds [RN=N+(O-)R]
15.1.08 Class cyanates [X+[OC≡N]‾, ROC≡N]
15.1.08 Class diacylamines [acyl-NR-acyl]
15.1.08 Class diazoates [RN=NO‾M+]
15.1.08 Class hydrazides [RkE(=O)l(OH)m (l≠0; ≥1 (OH):=(=NRNR2))]
15.1.08 Class hydrazonic acids [RkE(=O)l(OH)m (l≠0; ≥1 (=O):=(=NNR2))]
15.1.08 Class hydroxamic acids [RkE(=O)l(OH)m (l≠0; ≥1 (OH):=(NROR))]
15.1.08 Class hydroximic acids [RkE(=O)l(OH)m (l≠0; ≥1 (=O):=(=NOR))]
15.1.08 Class hydroxylamines [R2NOR]
15.1.08 Class imides [acyl-NR-acyl]
15.1.08 Class imidic acids [RkE(=O)l(OH)m (l≠0; ≥1 (=O):=(=NR))]
15.1.08 Class isocyanates [RN=C=O]
15.1.08 Class isoureas [R2NC(=NH)OH]
15.1.08 Class lactims [~N=C(OH)[CH2]n~]
15.1.08 Class nitro compounds [RmXNO2 (X=C,N,O,etc.)]
15.1.08 Class nitroso compounds [RmXNO (X=C,N,O,etc.)]
15.1.08 nitrous oxide - N2O
15.1.08 Class oxime O-ethers [R2C=NOR' (R'≠H)]
15.1.08 Class oximes [R2C=NOH]
15.1.08 Class picrates
15.1.08 Class semicarbazones [R2C=NNHC(=O)NH2]
15.1.08 Class styphnates - salts or charge-transfer complexes of styphnic acid
15.1.08 Class ureides [H2NC(=O)[NHC(=O)]R or RC(=O)[NHC(=O)]2R] - N-acyl or N,N'-diacyl ureas
15.1.08 Class uronium salts [[ROC(=NR2)NR2]+X-] - salts of O-hydronated urea
15.2.01 Class phosphanes [PnHn+2]
15.2.06 Class phosphines [R3P]
15.2.06 Class phosphoranes [PR5]
15.2.07 Class phosphonitriles [[X2PN]n]
15.2.07 Class phosphoramides [P(=O)(NR2)3]
15.2.08 Class phosphine oxides [R3P=O <-> R3P+O-]
15.2.08 Class phosphinic acids [R2P(=O)OH]
15.2.08 Class phosphinous acids [R2POH]
15.2.08 Class phosphonic acids [RP(=O)(OH)2]
15.2.08 Class phosphonous acids [RP(OH)2]
15.3.01 Class arsanes [AsnHn+2]
15.3.06 Class arsenides [R3As (≥1 H->M)]
15.3.06 Class arsines [R3As]
15.3.06 Class arsoranes [R5As]
15.3.07 Class arsine imides [R3As=NR]
15.3.08.1.1 Class arsonous acids [RAs(OH)2]
15.3.08.1.2 Class arsinous acids [R2AsOH]
15.3.08.2.1 Class arsonic acids [RAs(=O)(OH)2]
15.3.08.2.2 Class arsinic acids [R2As(=O)OH]
15.3.08.2.3 Class arsine oxides [R3As=O]
15.3.16 Class arsine sulfides [R3As=S]
15.4.01 Class stibanes [SbnHn+2]
15.4.01 stiborane - SbH5
15.4.06 Class stibines [R3Sb]
15.5.01 Class bismuthanes [BinHn+2]
15.5.06 Class bismuthines [R3Bi]
16.1.00.1 oxygen - O2
16.1.00.2 ozone - O3
16.1.01 water - H2O
16.1.08.1 Class peroxides [ROOR]
16.1.08.2 Class peroxy acids [acyl-OOH]
16.2.01 Class polysulfanes [HSnH (n>1)]
16.2.06.1.1.1 Class thiols [RSH (R≠H)]
16.2.06.1.1.2 Class hydropolysulfides [RSnH (n>1)]
16.2.06.1.2 Class thiolates [RS-X+] - derivatives of thiols
16.2.06.1.3.1 Class sulfides [RSR (R≠H)]
16.2.06.1.3.2 Class polysulfides [RSnR (n>1; R≠H)]
16.2.06.2.1 Class thioaldehydes [RC(=S)H]
16.2.06.2.2 Class thioketones [R2C=S (R≠H)]
16.2.07.00.1 Class sulfenamides [RSNR'2 (R≠H)]
16.2.07.00.2 Class sulfimides [R2S=NR] - sulfimide and its hydrocarbyl derivatives
16.2.07.06.1 Class thioamides [RC(=S)NR2]
16.2.07.06.2.1 Class thiocyanates [X+[SC≡N]‾, RSC≡N] - salts and esters of thiocyanic acid
16.2.07.06.2.2 Class isothiocyanates [RN=C=S]
16.2.07.06.3 Class formamidine disulfides [R2NC(=NR)SSC(=NR)NR2]
16.2.07.08.1 Class sulfamic acids [R2NS(=O)2OH] - sulfamic acid and its N-hydrocarbyl derivatives
16.2.07.08.2.1 Class sulfinylamines [RN=S=O]
16.2.07.08.2.2 Class sulfonylamines [RN=S(=O)2]
16.2.07.08.3 Class sulfoximides [R2S(=O)=NR]
16.2.08.00 Class sulfones [RS(=O)2R (R≠H)]
16.2.08.00 Class sulfoxides [R2S=O (R≠H)]
16.2.08.00 Class sultones [~S(=O)2O[CH2]n~] - intramolecular cyclic esters of hydroxy sulfonic acids
16.2.08.01.1 Class sulfenic acids [RSOH (R≠H)]
16.2.08.01.2.1 Class sulfinic acids [RS(=O)OH] - sulfinic acid and its S-hydrocarbyl derivatives
16.2.08.01.2.2 Class sulfinic anhydrides [RS(=O)OS(=O)R]
16.2.08.01.3.1 Class sulfonic acids [RS(=O)2OH] - sulfonic acid and its S-hydrocarbyl derivatives
16.2.08.01.3.2 Class sulfonic anhydrides [RS(=O)2OS(=O)2R]
16.2.08.06.1.1 Class thiocarboxylic acids
16.2.08.06.1.2 Class thioanhydrides [acyl-S-acyl]
16.2.08.06.2.1 Class thiohemiacetals
16.2.08.06.2.2 Class thioacetals
16.3.06.1 Class selenols [RSeH (R≠H)]
16.3.06.2 Class selenides [RSeR (R≠H)]
16.3.06.3 Class selones [R2C=Se (R≠H)]
16.3.07.1 Class selenoamides [RC(=Se)NR2]
16.3.07.2 Class selenocyanates [RSeCN] - salts and esters of selenocyanic acid
16.3.07.3 Class isoselenocyanates [RN=C=Se]
16.3.08.1 Class selenenic acids [RSeOH (R≠H)]
16.3.08.2 Class seleninic acids [RSe(=O)OH]
16.3.08.3 Class selenonic acids [RSe(=O)2OH]
16.3.08.4 Class selenoxides [R2Se=O (R≠H)]
16.3.08.5 Class selenones [R2Se(=O)2]
16.4.06 Class tellurides [RTeR (R≠H)]
16.4.07 Class telluroamides [RC(=Te)NR2]
16.4.08 Class tellurones [R2Te(=O)2]
99 Class inclusion compounds
99 Class onium compounds